JPH0368070U - - Google Patents

Info

Publication number
JPH0368070U
JPH0368070U JP12954089U JP12954089U JPH0368070U JP H0368070 U JPH0368070 U JP H0368070U JP 12954089 U JP12954089 U JP 12954089U JP 12954089 U JP12954089 U JP 12954089U JP H0368070 U JPH0368070 U JP H0368070U
Authority
JP
Japan
Prior art keywords
rotational speed
detection circuit
detects
rotating body
abnormal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12954089U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12954089U priority Critical patent/JPH0368070U/ja
Publication of JPH0368070U publication Critical patent/JPH0368070U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Electric Motors In General (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る回転速度スイツチの外観
斜視図、第2図はその制御部のブロツク図、第3
図は回転速度スイツチの使用状態を示す側面図、
第4図は回転速度と信号との関係を示す特性図で
ある。 1……スイツチ本体、2……近接センサ部、3
……制御部、8……基準回転表示ランプ、9……
検出動作表示ランプ、10……回転速度設定部、
20……回転速度検出回路、24……設定値検出
回路、25……第1の異常回転速度検出回路、2
6……第2の異常回転速度検出回路、33……第
1の異常信号出力回路、34……第2の異常信号
出力回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 回転体の回転速度を検出する回転速度検出回路
    と、前記回転体の基準回転速度を設定する回転速
    度設定部と、前記基準回転速度に対する所定比率
    の限界回転速度を求め、求めた限界回転速度と前
    記回転速度検出回路が検出した回転速度とを比較
    して回転速度の異常を検出する異常速度検出回路
    とを備えることを特徴とする回転速度スイツチ。
JP12954089U 1989-11-06 1989-11-06 Pending JPH0368070U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12954089U JPH0368070U (ja) 1989-11-06 1989-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12954089U JPH0368070U (ja) 1989-11-06 1989-11-06

Publications (1)

Publication Number Publication Date
JPH0368070U true JPH0368070U (ja) 1991-07-03

Family

ID=31677162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12954089U Pending JPH0368070U (ja) 1989-11-06 1989-11-06

Country Status (1)

Country Link
JP (1) JPH0368070U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61104262A (ja) * 1984-10-26 1986-05-22 Mitsubishi Electric Corp 回転数検出装置の自動点検装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61104262A (ja) * 1984-10-26 1986-05-22 Mitsubishi Electric Corp 回転数検出装置の自動点検装置

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